Comparison

World Time Shifter Clock vs World Time Clock Master

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

World Time Shifter Clock

This intuitive world clock helps you coordinate with people across different time zones. Easily plan meetings, stay connected with loved ones, and manage global teams. It offers a unique visual display and time shifting capabilities for effortless time management.

Highlights
  • Unique intuitive display
  • Time shifting for time changes
  • Meeting scheduling
  • Global team management
  • Travel time forecasting
  • Event reminders and notifications
Features
Read full description

Coordinate with anyone, any time, anywhere, around the world with this unique and intuitive world clock. SYNC TEAMS - schedule overlap feature makes it easy to see when everyone's schedule coincides. KEEP IN TOUCH - Stay connected to family around the globe - know when it's the best time to call your relatives in another time zone. GREAT FOR TRAVEL - Plan your travel - use it to forecast your landing time after a long flight thru multiple time zones. GLOBAL SPORTS MATCHES - Don't miss the opening kick-off of the match in Manchester. TRADING MARKETS - Stay on top of the financial markets around the world. Features • Unique Intuitive Display - Super easy to see the times around the world • Time Shifting: Rotate the clock forwards or backwards to see time changes. • Large Widget - see the full clock face right on your home screen. • Schedule Overlap - see hours of overlap for schedules in one or more locations. • Reminders: Creates notifications for any time, any place.

About

World Time Clock Master

Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.

Highlights
  • Multiple time zone display
  • Interactive time conversion
  • Event scheduling
  • Atomic time accuracy
  • Dynamic home screen widgets
  • List mode for text view
  • Real moon phases and sunrise/sunset
Features
Read full description

THE EASIEST WAY TO DEAL WITH MULTIPLE TIMEZONES + INTERACTIVE WIDGETS Sick of screwing up meeting times and missing calls? This app cuts through time-zone confusion and hands you the perfect hour at a glance. Forget guesswork — just click, connect, and impress. KEY FEATURES EVENT SCHEDULING MADE EASY Found the perfect meeting time? Add events to your calendar with just a tap, and never miss an international webinar, call, or special moment again. ATOMIC ACCURACY No drift, no guesswork. Each second syncs with the atomic standard, so you can trust every moment. Extensive Time Zone Database: Tap into over 160,000 locations and time zones including GMT, UTC, and more. UNIFIED CLOCK FACE View all your essential time zones at a glance on one beautifully designed, customizable clock face. Whether you prefer digital or analog displays (or even military time), everything is exactly where you need it. INTERACTIVE TIME CONVERSION Convert times instantly by simply twisting or swiping across the clock face. Watch as your selected time zones update in real time—making planning international calls, meetings, or travel effortless. DYNAMIC WIDGETS Access global times without even opening the app. Our interactive home screen widget lets you drag a simple line to reveal and convert times, ensuring you’re always in sync no matter where you are. LIST MODE Get a clean, text-based view of all your cities in one column. See times and dates at a glance, and scroll to check future or past hours. It’s a no-fuss way to track the world’s clocks. FEELS LIKE A LUXURY TIMEPIECE We poured effort into details most people never notice — and we’re okay with that. Our users aren’t “most people.” Details include: — Real Moon Phases — Real Moon Rotation — Real Sunrise & Sunset — Advanced City Lights — Haptic Feedback * * * World Clock Master offers a premium subscription: Subscribe to get access to unlimited timezones, interactive widgets, customizations, and timely automatic updates of our timezone database of more than 160,000 locations and timezones. – Length of subscription: 1 month or 1 year – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable – Terms & Conditions: https://timemaster.s3.amazonaws.com/Time-master-terms.pdf

Screenshots

World Time Shifter Clock4 screens
World Time Clock Master4 screens

Verdict

The call

The clearest difference is price: World Time Clock Master at Free against World Time Shifter Clock's $3.99. World Time Clock Master also leads on ratings volume (846 vs 153). World Time Shifter Clock's advantage is in-app purchases (none vs 10) and review sentiment (94% vs 67%). On rating, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

World Time Clock Master is free to download; World Time Shifter Clock costs $3.99 up front. World Time Clock Master sells 9 in-app purchases, starting at $2.99 per month. World Time Shifter Clock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for World Time Shifter Clock against 4.6 for World Time Clock Master. That said, the two scores are not equally well evidenced: World Time Clock Master has 846 ratings behind it against 153, so its average is the more settled of the two. Written reviews are what separate them: 94% of World Time Shifter Clock's written reviews are positive against 67% of World Time Clock Master's.

UpkeepUpdate frequency

World Time Shifter Clock ships an update every 3 weeks, World Time Clock Master fortnightly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard5 real differences · 5 level
World Time Shifter Clock versus World Time Clock Master: the parameters behind the verdict, then further details
ParameterWorld Time Shifter ClockWorld Time Clock Master
Price$3.99Free — better
Rating4.7 (153 ratings) — better4.6 (846 ratings)
Positive reviews94.1% of reviews — better66.7% of reviews
Number of ratings153846 — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPad, Vision Pro — better
Requires iOS18.017.0 — better
Further details — not scored
Size19 MB236 MB
Age rating4+4+
DeveloperDavid RichmondAlex Komarov Inc.

Customer experience

World Time Shifter Clock

All ratings153 ratings
Positive93.5%
Neutral3.3%
Negative3.3%
Written reviews51 reviews
Positive94.1%
Neutral2.0%
Negative3.9%

World Time Clock Master

All ratings839 ratings
Positive90.9%
Neutral2.5%
Negative6.6%
Written reviews78 reviews
Positive66.7%
Neutral5.1%
Negative28.2%

User reviews

World Time Shifter Clock

From 153 App Store ratings

What we love

  • ✨ Stunning visuals
  • 👍 Intuitive and attractive interface
  • 🌍 Excellent for international time visualization
  • 🚀 Efficient and readable world clock
  • 💡 Unique forecasting ability

Room to improve

  • ❓ Missing specific cities (e.g., Beijing)
  • 🐛 Minor typo in welcome screen
  • 🤔 Lack of UTC timezone initially (resolved by GMT)

World Time Clock Master

From 846 App Store ratings

What we love

  • 🚀 Delightful scheduling assistance
  • 👍 Feature improvement
  • 👍 The best Timezone helper
  • 👍 One of the best clocks around
  • 👍 The Widget is so damn cool!

Room to improve

  • 🐛 Problemas al actualizar
  • 🐛 Sticky signup interface
  • 🐛 Demo not enough
  • 🔒 NOT A FREE APP
  • 💰 Terrible monetisation model compared to previous app

Bugs and requests

World Time Shifter Clock

Reported bugs

2 issues
  • Welcome screen typo: "by add" instead of "by adding"
  • Beijing, China not visible in city list

Requested features

6 requests
  • Bigger rim font option
  • Native Mac app
  • Ability to set up profiles for different projects
  • Custom locations
  • Time synchronization
Show 1 more
  • Define trading session times

World Time Clock Master

Reported bugs

4 issues
  • Lose all the registered locations after updating the app
  • Sticky signup interface
  • Widget doesn't work
  • GMT and London currently have a 1 hour time difference between the two locations, but the app shows them the same time

Requested features

4 requests
  • Add the time difference in hours between the default location and other locations in both the widget and the app
  • See my calendar events on the dial
  • Make a paid tier that doesn't collect my data
  • Add new event to a Calendar

In-app purchases

None

World Time Shifter Clock

No in-app purchases

9 purchases

World Time Clock Master

Subscriptions5
  • 1 month2 variants$2.991 Month
  • 3 months$3.993 Months
  • 1 year3 Days trial$11.991 Year
Show 2 more
  • 1 year$11.991 Year
  • 1 year3 Days trial$19.991 Year
One-time4
  • Lifetime$29.99
  • Lifetime$49.99
  • Lifetime$79.99
Show 1 more
  • Lifetime$99.99

Questions

Is World Time Shifter Clock free?
World Time Shifter Clock costs $3.99, with no in-app purchases.
Is World Time Clock Master free?
World Time Clock Master is free to download, with in-app purchases available.
Which has better reviews, World Time Shifter Clock or World Time Clock Master?
World Time Shifter Clock is rated higher. World Time Shifter Clock averages 4.7 out of 5 from 153 ratings, while World Time Clock Master averages 4.6 from 846 ratings.
Do World Time Shifter Clock or World Time Clock Master have ads?
Neither World Time Shifter Clock nor World Time Clock Master shows ads.
Which is updated more often, World Time Shifter Clock or World Time Clock Master?
World Time Shifter Clock ships an update every 3 weeks, and World Time Clock Master fortnightly. Most recently, World Time Shifter Clock was updated on November 1, 2026 and World Time Clock Master on November 7, 2026.

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